Summary

• Page properties (2 modified, 0 added, 0 removed)

Details

Page properties

Author

...	...	@@ -1,1 +1,1 @@
1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

...	...	@@ -15,11 +15,13 @@
15	15	Unencrypt Network modified from LoRaWAN
16	16
17	17
	18	+
18	18	= 2. Analyze the LoRaWAN packet =
19	19
20	20
21	21	If the gateway is connected to LoRaWAN server via UDP packet fordward. We can set the server address to a UDP server to get the LoRaWAN packets.
22	22
	24	+
23	23	[[image:image-20220527090005-2.png]]
24	24
25	25	UDP Server
...	...	@@ -39,6 +39,8 @@
39	39
40	40	(((
41	41	Below is an example, from
	44	+
	45	+
42	42	)))
43	43
44	44	[[image:image-20220527090122-4.png]]
...	...	@@ -46,6 +46,7 @@
46	46	Decode the packet
47	47
48	48
	53	+
49	49	= 3. Difference between OTAA and ABP mode =
50	50
51	51
...	...	@@ -55,8 +55,6 @@
55	55	* ABP: Activation by personalization. There is no hand-shake with LoRaWAN server for activition. The end node will use fix Dev Addr / APP Session Key(AppSkey / Network Session Key(NwkSKey) to upload the packet. So the packet can be decode if someone know these fix keys
56	56
57	57
58		-
59		-
60	60	= 4. Get and decode the packet =
61	61
62	62
...	...	@@ -66,8 +66,6 @@
66	66	1. Add decode program and add the keys of the sensor. So to get the payload. There is an example for such application, see [[Communication with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]]
67	67
68	68
69		-
70		-
71	71	= 5. Use an unencrypt firmware =
72	72
73	73
...	...	@@ -80,8 +80,14 @@
80	80	[[image:image-20220527090341-5.png]]
81	81
82	82	Unencrypt packet
83		-
84	84
	85	+
	86	+Note: In the new firmware with 007 stack . There is a AT Command to Disable Encryption. See below:
	87	+
	88	+* AT+DECRYPT=1 The payload is uploaded without encryption
	89	+* AT+DECRYPT=0 Encrypt when uploading payload (default)
	90	+
	91	+
85	85	= 6. limitation =
86	86
87	87
...	...	@@ -90,3 +90,5 @@
90	90	* No security.
91	91	* No Downlink
92	92	* Only use for ABP
	100	+
	101	+